Written and Art by Marc Silvestri. Cover by Simon Bisley. Batman and the Joker have fought across streets, rooftops, railways and caverns, against horrors beyond of their wildest nightmares. Deep underground, witnesses to an undead wedding from Hell, they finally go up against their bitterest enemies: each other! Can the Dark Knight and the Clown Prince of Crime save Commissioner Gordon and Harley Quinn, or will the flames of their reignited rivalry consume all? Find out, detail by bloody detail, in the epic conclusion to Marc Silvestri’s dark and brutal Gotham opus.